module Alu(a, b, op, aluout, unsig, compout, overflow);
	
	// Entradas
	input		[31:0]		a;
	input		[31:0]		b;
	input		[2:0]		op;
	input					unsig;
	
	// Saídas
	output		[31:0]		aluout;
	output					compout;
	output					overflow;
	
	...
	
endmodule



